20135630535133 has 4 divisors (see below), whose sum is σ = 20219880035520. Its totient is φ = 20051381034748.

The previous prime is 20135630535113. The next prime is 20135630535161. The reversal of 20135630535133 is 33153503653102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20135630535133 - 2⁵ = 20135630535101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20135630535113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42124749835 + ... + 42124750312.

It is an arithmetic number, because the mean of its divisors is an integer number (5054970008880).

Almost surely, 2^{20135630535133} is an apocalyptic number.

It is an amenable number.

20135630535133 is a deficient number, since it is larger than the sum of its proper divisors (84249500387).

20135630535133 is an equidigital number, since it uses as much as digits as its factorization.

20135630535133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84249500386.

The product of its (nonzero) digits is 364500, while the sum is 40.

The spelling of 20135630535133 in words is "twenty trillion, one hundred thirty-five billion, six hundred thirty million, five hundred thirty-five thousand, one hundred thirty-three".